<body>
  <video src="video.mp4" width="800" height="600" controls="controls">
    <track src="1.vtt" srclang="en" kind="subtitles" label="English" default />
  </video>

  <!-- <video
    src="https://sr.kaikeba.com/cdn/w3c课程/bvkd_1.mp4"
    width="800px"
    height="600px"
    controls="controls"
    crossorigin="anonymous"
  >
    <track
      src="https://sr.kaikeba.com/cdn/w3c课程/iszw_1.vtt"
      srclang="en"
      kind="subtitles"
      label="English"
      default
    />
  </video> -->
</body>
